This report contains the observations and insights derived from distributed denial of service (DDoS)
attack mitigations enacted on behalf of, and in cooperation with, customers of Verisign DDoS Protection
Services from April 1, 2016 through June 30, 2016 (“Q2 2016”) and the security research of Verisign
iDefense® Security Intelligence Services conducted during that time. It represents a unique view into
the attack trends unfolding online, including attack statistics and behavioral trends for Q2 2016.